It sounds like you’re referring to a specific work, likely from the (a common identifier for content sold on DLsite , the Japanese digital marketplace for doujin works, games, manga, and voice dramas).
The story follows , a clever “con‑girl” who makes a living by manipulating wealthy clients into giving her money and favors. When a mysterious organization called Chrono Investigation —a covert group that claims to police illegal time‑travel activity—targets her for a past betrayal, Miyu discovers that she herself has been unwittingly entangled in a temporal scheme. sagi shoujo to jikan sousa no fukushuu rj01289 work
Just when it seems his life is entirely ruined, a supernatural shift occurs. The protagonist acquires a rare and powerful ability: the power to manipulate time. RJ series It sounds like you’re referring to